Search a number
-
+
1072245 = 3571483
BaseRepresentation
bin100000101110001110101
32000110211210
410011301311
5233302440
634552033
712054036
oct4056165
92013753
101072245
11672659
12438619
132b7085
141dca8d
15162a80
hex105c75

1072245 has 8 divisors (see below), whose sum is σ = 1715616. Its totient is φ = 571856.

The previous prime is 1072231. The next prime is 1072301. The reversal of 1072245 is 5422701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1072245 - 24 = 1072229 is a prime.

It is a super-2 number, since 2×10722452 = 2299418680050, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35727 + ... + 35756.

It is an arithmetic number, because the mean of its divisors is an integer number (214452).

21072245 is an apocalyptic number.

1072245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1072245 is a deficient number, since it is larger than the sum of its proper divisors (643371).

1072245 is an equidigital number, since it uses as much as digits as its factorization.

1072245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71491.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1072245 is about 1035.4926363814. The cubic root of 1072245 is about 102.3523951188.

Adding to 1072245 its reverse (5422701), we get a palindrome (6494946).

The spelling of 1072245 in words is "one million, seventy-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 71483 214449 357415 1072245